Ubuntu Update for Linux kernel vulnerabilities USN-1583-1

Please Install the Updated Packages.

It was discovered that Ruby incorrectly allowed untainted strings to be modified in protective safe levels. An attacker could use this flaw to bypass intended access restrictions. (CVE-2011-1005) John Firebaugh discovered that the RubyGems remote gem fetcher did not properly verify SSL certificates. A remote attacker could exploit this to perform a man in the middle attack to alter gem files being downloaded for installation. (CVE-2012-2126) John Firebaugh discovered that the RubyGems remote gem fetcher allowed redirection from HTTPS to HTTP. A remote attacker could exploit this to perform a man in the middle attack to alter gem files being downloaded for installation. (CVE-2012-2125)

ruby1.9.1 on Ubuntu 12.04 LTS

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2012-September/001840.html

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Updated on 2015-03-25